Selecto.js is a component that allows you to select elements in the drag area using the mouse or touch.

MCP server for Firecrawl — search, scrape, and interact with the web, and search scientific papers. Supports both cloud and self-hosted instances. Features include web search, scraping, page interaction, batch processing, LLM-powered content analysis, and

Run npm ci using the appropriate Node package manager (npm, yarn, pnpm)

Strict TypeScript and Flow types for style based on MDN data

A pure JavaScript implementation of Sass.

Middle-tier mini-agent primitive: isolated LLM call with own model, system prompt, tools, and skills. Sits between forcedToolCall and runEmbeddedPiAgent.

A tiny and fast selection algorithm in JavaScript.

AWS SDK for JavaScript Freetier Client for Node.js, Browser and React Native

Truncates in the middle.

You can set up drag, pinch events in any browser.

Adaptive LLM router with tier-based model selection and fallback support.

Unified AI router with 160+ providers, RTK+Caveman compression, auto fallback, MCP/A2A, desktop, PWA, and OpenAI-compatible APIs.

A function that accepts the full name of a person in any format, parses it, and returns its parts { title, first name, middle name, last name, nickname, suffix, [and any parsing errors] }.

Curated, versioned best-practice prompt fragments injected into agent system prompts.

Truncate a string to a specific width in the terminal

Multi-tier cache module for Node.js. Redis, Upstash, CloudfareKV, File, in-memory and others drivers

RCF 6901 implementation of JSON Pointer

utils for framework

A React Guides component that can draw ruler and manage guidelines.

This component is a lightweight, simple line style component.